Home / 156,971.48-235,465.40-51,798.65

Finding the Fourth Proportional to 156,971.48, 235,465.40 and 51,798.65

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Solution

The fourth proportional to 156,971.48, 235,465.40 and 51,798.65 is: 77,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971.48 : 235,465.40 = 51,798.65 : x
  2. Step 2: Convert to fraction form
    156,971.48/235,465.40 = 51,798.65/x
  3. Step 3: Cross multiply
    156,971.48x = 235,465.40 × 51,798.65
  4. Step 4: Simplify right side
    156,971.48x = 12,196,789,841.71
  5. Step 5: Solve for x
    x = 12,196,789,841.71/156,971.48
  6. Step 6: Final answer
    x = 77,700.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.